Home / 19,867.36-29,792.92-8,623.48

Finding the Fourth Proportional to 19,867.36, 29,792.92 and 8,623.48

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Solution

The fourth proportional to 19,867.36, 29,792.92 and 8,623.48 is: 12,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.36 : 29,792.92 = 8,623.48 : x
  2. Step 2: Convert to fraction form
    19,867.36/29,792.92 = 8,623.48/x
  3. Step 3: Cross multiply
    19,867.36x = 29,792.92 × 8,623.48
  4. Step 4: Simplify right side
    19,867.36x = 256,918,649.76
  5. Step 5: Solve for x
    x = 256,918,649.76/19,867.36
  6. Step 6: Final answer
    x = 12,931.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.